6622000 has 160 divisors (see below), whose sum is σ = 20427264. Its totient is φ = 2016000.

The previous prime is 6621997. The next prime is 6622009. The reversal of 6622000 is 2266.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6622009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153979 + ... + 154021.

Almost surely, 2^6622000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6622000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10213632).

6622000 is an abundant number, since it is smaller than the sum of its proper divisors (13805264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6622000 is a wasteful number, since it uses less digits than its factorization.

6622000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6622000 is about 2573.3246977403. The cubic root of 6622000 is about 187.7859341044.

Adding to 6622000 its reverse (2266), we get a palindrome (6624266).

It can be divided in two parts, 662 and 2000, that added together give a palindrome (2662).

The spelling of 6622000 in words is "six million, six hundred twenty-two thousand".